<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <input type="text" v-model="num" placeholder="请输入1-100之间的整数" >
    <input type="button" value="猜一猜" @click="f()">
    <div>{{info}}</div>
</div>

<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
    let x = parseInt(Math.random() * 100) + 1;

    let v = new Vue({

        el: "body>div",
        data: {num:"",info:""},
        methods: {

            f(){
                if (v.num>x){
                    v.info="猜大了";
                }else if (v.num<x){
                    v.info="猜小了";
                }else{
                    v.info="猜对了,我的弟";
                }

            }
        }
    })
</script>
</body>
</html>
